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CONSOLIDATED STATEMENTS OF OPERATIONS (LP cube) - USD ($) shares in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
REVENUES |  |  |
Rental income | $ 707,751 | $ 581,009 | $ 552,404
Total revenues | 822,564 | 679,177 | 643,915
OPERATING EXPENSES |  |  |
Property operating expenses | 252,104 | 223,634 | 209,739
Depreciation and amortization | 232,049 | 156,573 | 163,547
General and administrative | 47,809 | 41,423 | 38,560
Total operating expenses | 531,962 | 421,630 | 411,846
Interest: |  |  |
Interest expense on loans | (78,448) | (75,890) | (72,525)
Loan procurement amortization expense | (8,168) | (2,674) | (2,819)
Loss on early extinguishment of debt | (20,328) | (18,020) |
Equity in earnings of real estate ventures | 25,275 | 178 | 11,122
Gains from sales of real estate, net | 32,698 | 6,710 | 1,508
Other | (10,818) | (240) | 1,416
Total other expense | (59,789) | (89,936) | (61,298)
NET LOSS (INCOME) ATTRIBUTABLE TO NONCONTROLLING INTERESTS |  |  |
Operating Partnership interests of third parties | $ (7,873) | $ (1,825) | $ (1,708)
Diluted earnings per share attributable to common shareholders (in dollars per share) | $ 1.09 | $ 0.85 | $ 0.88
Weighted-average basic units outstanding (in units) | 203,832 | 194,147 | 190,874
Weighted-average diluted units outstanding (in units) | 205,009 | 194,943 | 191,576
Other Property Related Income |  |  |
REVENUES |  |  |
Property related income | $ 83,605 | $ 70,723 | $ 67,558
Property Management Fee Income |  |  |
REVENUES |  |  |
Property related income | 31,208 | 27,445 | 23,953
CubeSmart, L.P. and Subsidiaries |  |  |
REVENUES |  |  |
Rental income | 707,751 | 581,009 | 552,404
Total revenues | 822,564 | 679,177 | 643,915
OPERATING EXPENSES |  |  |
Property operating expenses | 252,104 | 223,634 | 209,739
Depreciation and amortization | 232,049 | 156,573 | 163,547
General and administrative | 47,809 | 41,423 | 38,560
Total operating expenses | 531,962 | 421,630 | 411,846
Interest: |  |  |
Interest expense on loans | (78,448) | (75,890) | (72,525)
Loan procurement amortization expense | (8,168) | (2,674) | (2,819)
Loss on early extinguishment of debt | (20,328) | (18,020) |
Equity in earnings of real estate ventures | 25,275 | 178 | 11,122
Gains from sales of real estate, net | 32,698 | 6,710 | 1,508
Other | (10,818) | (240) | 1,416
Total other expense | (59,789) | (89,936) | (61,298)
NET INCOME | 230,813 | 167,611 | 170,771
NET LOSS (INCOME) ATTRIBUTABLE TO NONCONTROLLING INTERESTS |  |  |
Noncontrolling interest in subsidiaries | 542 | (165) | 54
NET INCOME ATTRIBUTABLE TO CUBESMART L.P. | 231,355 | 167,446 | 170,825
Operating Partnership interests of third parties | (7,873) | (1,825) | (1,708)
NET INCOME ATTRIBUTABLE TO COMMON UNITHOLDERS | $ 223,482 | $ 165,621 | $ 169,117
Basic earnings per unit attributable to common unitholders | $ 1.10 | $ 0.85 | $ 0.89
Diluted earnings per share attributable to common shareholders (in dollars per share) | $ 1.09 | $ 0.85 | $ 0.88
Weighted-average basic units outstanding (in units) | 203,832 | 194,147 | 190,874
Weighted-average diluted units outstanding (in units) | 205,009 | 194,943 | 191,576
CubeSmart, L.P. and Subsidiaries | Other Property Related Income |  |  |
REVENUES |  |  |
Property related income | $ 83,605 | $ 70,723 | $ 67,558
CubeSmart, L.P. and Subsidiaries | Property Management Fee Income |  |  |
REVENUES |  |  |
Property related income | $ 31,208 | $ 27,445 | $ 23,953

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